package com.principle.dependence;

/**
 * @author xuehu
 * @date 2020/12/10 9:46
 * 类依赖关系模拟
 */

public class PersonServiceBean {
    //类
    private PersonDao personDao;

    public void save(Person person) {
    }

    public IDCard getIDCard(Integer personId) {
        return null;
    }

    public void modift() {
        Department department = new Department();
    }
}
